Neutrino Mass WG Telecon

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Neutrino Mass Analysis Working Group Plan Through December 2018

Links for input to forecasts https://www.nsf.gov/mps/ast/aaac/cmb_s4/report/CMBS4_final_report_NL.pdf https://cmb-s4.org/CMB-S4workshops/index.php/Update_on_Neff_Forecasts


Outline of Science Chapter

To be modeled off of the Science Book chapter, with updates and some new ingredients

  • Brief Intro
  • CMB Lensing / forecasting
    Goals: 
   -Add updates with new noise levels
   -What can we say about CMB lensing vs RSD, weak lensing, Lyman-alpha, cluster abundance?
   -Add discussion of systematics and why the measurement should be robust
   -Expand on tau limitation. What you actually need to know about foregrounds and noise given the tau limits. Options for improving tau?
   -Discuss model independence with cross-correlations
   -Discuss influence of priors on conclusions about hierarchy, mass scale
  • Additional CMB - S4 probes
    Goals:
   - Add cluster based forecasts, add cross-correlation based forecasts
  • S4 constraints in context with lab experiments and neutrino model-building
   Goals: 
   -Include input from neutrino phenomenologists and experimentalists
   -Potentially add: updates regarding Miniboone results? Updates regarding stronger hints of Normal Hierarchy or delta?
   -Detection scenarios: expand on Section 3.5 and Table 3-2 in Science Book
   -Discussion of how Mnu constraints inform model building



To-do before September Meeting:

-Preliminary forecasts on neutrino mass for each key observable

-Have conclusions in hand OR identify specific outstanding issues for what we can say about CMB lensing vs other methods

-Tau limitation and prospects for improvement

-Impact of priors

-Summary of content for context with lab experiments / model-building for comments


To-do by November:

-Draft of chapter available for circulation